helping them find who they are looking for fast. >> we take color, size, shape, direction, speed, aspect ratio and we can do faces and demographics to determine your age and gender. we can also determine y mood, hay ory. >> reporter: he showed us how it works. you can search for a specific car. >> in this case i am searching for a red vehicle, and i also picked a direction of travel. >> reporter: the software em coulds through hours of footage to show just seven results. you can search for people by age. >> you can see the example of 20 to 25-year-olds. >> reporter: and when you find what you are looking for look what else shows up. >> smart technology is more important as the cameras cameras are more common. this stack of hard drives represents one-100th of the video they had to go through. >> there could be as much as five years of data. >> reporter: powerful come outed poohers can scan -- powerful computers can scan through and scan it alongside the surveillance cameras.